This telescoping encapsulated fast pack is constructed of V3c, 400# SW corrugated lined with MIL-PRF-26514, Grade C Foam. The cushion system consists of 2.75" convoluted pads on top, bottom and sides and 3.75" convoluted pads on the ends. All foam is laminated to the corrugated. The inside dimensions of the pack are 26x9x9" with recommended max. bare item dimensions of 20x5x5", and outside dimensions of 27x10x9.3". This weighs approx. 10.5 lbs. empty and has a shipping cube of 1.454.